Home / 204,445.62-306,571.41-71,309.70

Finding the Fourth Proportional to 204,445.62, 306,571.41 and 71,309.70

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Solution

The fourth proportional to 204,445.62, 306,571.41 and 71,309.70 is: 106,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,445.62 : 306,571.41 = 71,309.70 : x
  2. Step 2: Convert to fraction form
    204,445.62/306,571.41 = 71,309.70/x
  3. Step 3: Cross multiply
    204,445.62x = 306,571.41 × 71,309.70
  4. Step 4: Simplify right side
    204,445.62x = 21,861,515,275.68
  5. Step 5: Solve for x
    x = 21,861,515,275.68/204,445.62
  6. Step 6: Final answer
    x = 106,930.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.